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Oleksandr Miadelets
Java Developer
5 October 2020 12:14
Matrix in Java - 2D Arrays
“A matrix is a collection of numbers arranged into a fixed number of rows and columns.” Usually these are real numbers. In general, matrices can contain complex numbers but for the sake of simplicity we will only use whole numbers here. Let’s have a look at what a matrix looks like...
Pavlo Plynko
Java Developer
5 October 2020 11:15
System.exit() in Java
The System class in Java contains fields and methods to handle the SystemOne of them is the System.exit () method used in the Java language when you need to terminate a program or rather JVM instance that is currently running. Any line inserted below the exit method...
Andrey Gorkovenko
Java Developer
5 October 2020 6:21
Top 8 Open Source GitHub Projects to Level-Up Your Coding
At CodeGym, our goal is not just to teach our students (users) how to code in Java from scratch. We also realize our responsibility for those who complete the course, get all the knowledge that it can provide and start looking for a full time job as a Java developer...
Artem Divertitto
Random
5 October 2020 5:48
Max Heap in Java
In Java, there are many different types of data structures. The heap is based on a tree structure called a binary tree. A binary tree consists of nodes, each of which can have a maximum of 2 child nodes. A binary tree consists of a parent node which can have...
Roman B.
Random
1 October 2020 7:22
Getting started with Git: a comprehensive guide for newbies
Hello! Today we're going to talk about a version control system, namely Git. You have nothing to do with programming if you don't know/understand Git. But the beauty is that you don't have to keep all the Git commands and features in your head in order to be continuously employed...
Roman B.
Java Developer
30 September 2020 11:26
Top 50 job interview questions and answers for Java Core. Part 2
24. How do I create a new thread in Java? One way or another, a thread is created using the Thread class. But there are various ways of doing this… 1. Inherit java.lang.Thread. 2. Implement the java.lang.Runnable interface — the Thread class's...
CodeGym
Random
28 September 2020 7:36
Start Coding From Day One and Get a Developer Job in a Few Months. CodeGym’s Recipe for Your Success
What is the most important and essential part of learning how to code? If you aren’t totally new at CodeGym you probably know the answer to this question: practice is the most...
CodeGym
Random
21 September 2020 6:51
The Power of Us. How Socializing Improves Your Java Learning Ability
We humans are inherently social beings. Most of us are so deeply social that we cannot bear total loneliness even for a day or two. Interestingly, we are not special in this way, as social behavior is very important for pretty much...
CodeGym
Random
16 September 2020 6:12
UK’s Best Tech Employers: Companies to Apply to, Salaries, and If It’s Worth Being a Developer in the UK
The United Kingdom has been known as an excellent environment for technological companies for years, mainly due to the lack of corporate regulations, very reasonable taxation policies, and...
John Selawsky
Random
14 September 2020 11:04
Java String contains() Method
This function is specially designed to check if a string ‘contains’ another string or not. If you’re new to this you might end up using it to find a ‘character’. But it won’t serve the purpose. In this article, we’ll address how java.lang.String.contains() is used, implemented...
Pavlo Plynko
CodeGym
14 September 2020 10:51
Reverse an Array in Java
Arrays are used frequently in coding and are a way of storing multiple values of the same type in one variable. There may be many reasons why a coder may want to reverse an array. It may be necessary to reverse an array, for example, when the logic of a problem needs to start with the last element.
CodeGym
Random
14 September 2020 9:11
From Zero to Coding Hero. What You’ll Be Capable of Upon Completing CodeGym’s Course
At CodeGym, we always say our course is the best possible way to learn Java online from scratch. Excuse us for bragging, it’s just the way we feel, and our students' results support this notion in quite an indisputable way...
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